APOBEC3A-Induced DNA Damage Drives Polymerase Theta Dependency and Synthetic Lethality in Cancer
Abhishek Bose, Weisi Liu, Paul Yoo, Alina Sami, Michal T. Boniecki, Madhura Deshpande, Mohamed Hosny Abdo Osman, Duy D. Nguyen, Urko del Castillo, Paraskevi Giannakakou, Bhavneet Bhinder, William F. Hooper, Olivier Elemento, Nicolas Robine, Milaid Granadillo, , Bishoy M. Faltas
This study identifies TMEJ as the main repair pathway for APOBEC3A-induced DSBs and shows Polθ inhibition causes synthetic lethality in cancer cells with APOBEC3A activity.
bioRxiv · Oct 21, 2025 · PreprintCancer Biology